The 8 reason why you should to buy this product:
1: LED display window
2: Bluetooth hands-free
3: Bluetooth stereo music play
4: Call Echo Cancellation and Noise Reduction (CVC) technology
5: Dual USB output. total output 5V/3.1A
6: Bluetooth stereo and FM transmitter
7: An extra cigarette lighter socket
8: Automatic memory function of power failure

Instructions for use:
Step1. Plug the FM transmitter into your vehicle's cigarette lighter or power port
Step2. Tune your radio to an unused FM frequency , then match the FM transmitter and car FM radio at same frequency
Step3. Please Make sure the Bluetooth feature on your device is turned on and is connected

Specifications:
Rated working voltage 12V
Limit working voltage 9-26V
USB output 5V/3.1A
Working temperature 0-50℃
SNR >60dB
Degree of distortion Frequency response 20Hz-15Khz
Resolution of right and left channel 〉60dB
Bluetooth version Version 2.1
Bluetooth sound A2DP (Advance Audio Distribution
Bluetooth transmission distance 10M
Effective distance of Bluetooth microphone 0.5-2M
FM frequency 87．5-108Mhz
FM Mode Stereo digital PLL frequency locking

Package Content:
1X Bluetooth Car Kit
1X USE manual

• ★Multi-functional design 6 in 1: FM transmitter function, Bluetooth function, USB charger function, Hands-free calling function, digital LED display function, automatic memory function of power failure, additional cigarette lighter
• ★The Multifunction Car Charger: With dual USB-ports and an extra cigarette lighter adapter, this car charger can support charging for 2 mobile phones simultaneously and work as an additional cigarette lighter socket. Fast charging output with 5V/2.1A, cigar lighter port(12-24V) MAX 4A output.
• ★Easy to Use: Plug the wireless Bluetooth FM Transmitter into cigarette lighter socket and power on car FM. Adjust the Bluetooth Transmitter frequency same as the car FM. Then enjoy your cellphone or iPad music on car audio
• ★2 in 1 Music Transmitter Car Charger: This product supports A2DP function, which allows you to play music in your phone. This enables you to enjoy high quality music from car FM stereo system, safer handsfree call and charging for 2 tablets, mobile phones like iPhone 7 6s 6s plus,iPad, iPod, Samsung Galaxy, Blackberry, Nokia, Lumia, HTC, XiaoMi etc at the same time
• ★Fashion and Creative Design: Button design Long press the top yellow button for 3 seconds power on/off and no need to pull out when not in use, which saves a lot of trouble, but it won't affect cigar lighter port power supply.

★Multi-functional design 6 in 1: FM transmitter function, Bluetooth function, USB charger function, Hands-free calling function, digital LED display function, automatic memory function of power failure, additional cigarette lighterKOMRT